Nissan Murano: Dtc/circuit Diagnosis / Power Supply and Ground Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Electrical & Power Control / Lan System :: Can Gateway / Dtc/circuit Diagnosis / Power Supply and Ground Circuit

Diagnosis Procedure

CHECK FUSE

Check that the following fuse are not blown.

Signal name Fuse No.
Battery power supply 25
Ignition power supply 31

Is the fuse blown (open)?

YES>>

Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO>>

GO TO 2.

CHECK POWER SUPPLY CIRCUIT

  1. Turn the ignition switch OFF.

  2. Disconnect the connector of 3CH CAN gateway.

  3. Check voltage between 3CH CAN gateway harness connector and ground.

    Terminals Condition

    Voltage

    (Standard)

    Voltage

    (Reference value)
    (+) (−)
    3CH CAN gateway Ground Ignition switch
    Connector Terminal
    M5 8 OFF 6 – 16 V

    Battery

    voltage
    5 ON 7 – 16 V

    Battery

    voltage

Is the measurement value normal?

YES>>

GO TO 3.

NO>>

Repair harness or connector.

CHECK GROUND CIRCUIT

Check continuity between 3CH CAN gateway harness connector and ground.

3CH CAN gateway Ground Continuity
Connector Terminal
M5 6 Existed
7

Does continuity exist?

YES>>

INSPECTION END

NO>>

Repair harness or connector.

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